Re: Dino sex

[Randy King <randyk@informix.com>]

Nathan Myhrvold wrote:
> 
> 
> -  The large stiff tails made it hard to get the cloaca of male & female
> in close proximity.  If the male mounted from the rear, the female's
> tail would be in the way.  The male's tail is too stiff on most
> dinosaurs that it could be twisted vertically and put under the tail.
> 

Another alternative used by some animals is to approach back-to-back. 
Most
flying insects do this.  Although, off-hand I can't think of any
vertebrates
that do.

-Randy

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Marc: http://www.cs.ruu.nl/~hansb/d.chessvar/makerule.html